<template>
  <el-container class="home-container">
    <!-- 头部 -->
    <el-header>
      <div>
        <img src="@/assets/heima.png">
        <span>电商后台管理系统</span>
      </div>
      <el-button type="info" @click="logout">退出</el-button>
    </el-header>
    <!-- 主体 -->
    <el-container>
      <!-- 左侧 -->
      <el-aside :width="isCollapse? '64px' :'200px' ">
        <div class="toggle-button" @click="toggleCollapse">|||</div>
        <!-- 侧边栏菜单区 -->
        <el-menu background-color="#333744" :default-active="activePath" text-color="#fff" active-text-color="#409EFF" :collapse="isCollapse" unique-opened :collapse-transition="false" router>

          <!-- 一级菜单 -->
          <el-submenu :index="menu.id+''" v-for=" (menu) in menulist" :key="menu.id">
            <!-- 一级菜单模板区 -->
            <template slot="title">
              <!-- 图标 -->
              <i :class="iconObj[menu.id]"></i>
              <!-- 文本 -->
              <span>{{menu.authName}}</span>
            </template>

            <!-- 二级菜单 -->
            <el-menu-item :index="'/'+subItem.path" v-for=" subItem in menu.children" :key="subItem.id" @click="saveNavStatus('/'+subItem.path)">
              <template slot="title">
                <!-- 图标 -->
                <i class="el-icon-menu"></i>
                <!-- 文本 -->
                <span>{{subItem.authName}}</span>
              </template>
            </el-menu-item>
          </el-submenu>
        </el-menu>
      </el-aside>
      <!-- 右侧 -->
      <el-main>
        <router-view></router-view>
      </el-main>
    </el-container>
  </el-container>

</template>

<script>
export default {
  data() {
    return {
      menulist: [],
      iconObj: {
        125: "iconfont icon-user",
        103: "iconfont icon-tijikongjian",
        101: "iconfont icon-shangpin",
        102: "iconfont icon-danju",
        145: "iconfont icon-baobiao",
      },
      isCollapse: false,
      activePath: "",
    };
  },
  created() {
    this.getMenuList();
    this.activePath = sessionStorage.getItem("activePath");
  },
  methods: {
    logout() {
      sessionStorage.clear("token");
      this.$router.push("/login");
    },
    async getMenuList() {
      let { data } = await this.$http.get("menus");
      if (data.meta.status != 200) return this.$message.error(data.meta.msg);
      this.menulist = data.data;
    },
    toggleCollapse() {
      this.isCollapse = !this.isCollapse;
    },
    saveNavStatus(activePath) {
      sessionStorage.setItem("activePath", activePath);
      this.activePath = activePath;
    },
  },
};
</script>

<style lang="less" scope>
.el-header {
  background-color: #373b41;
  display: flex;
  justify-content: space-between;
  padding-left: 0;
  align-items: center;
  color: #fff;
  font-size: 20px;
  > div {
    display: flex;
    align-items: center;
    span {
      margin-left: 15px;
    }
  }
}
.el-aside {
  background-color: #333744;
  .el-menu {
    border: none;
  }
}
.el-main {
  background-color: #eaedf1;
}
.home-container {
  height: 100%;
}
.iconfont {
  margin-right: 10px;
}
.toggle-button {
  background-color: #4a5064;
  font-size: 10px;
  line-height: 24px;
  color: #fff;
  text-align: center;
  letter-spacing: 0.2em;
  cursor: pointer;
}
</style>